389364620 has 48 divisors (see below), whose sum is σ = 833172480. Its totient is φ = 152819136.

The previous prime is 389364611. The next prime is 389364649. The reversal of 389364620 is 26463983.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269861 + ... + 271299.

It is an arithmetic number, because the mean of its divisors is an integer number (17357760).

Almost surely, 2^389364620 is an apocalyptic number.

It is an amenable number.

389364620 is an abundant number, since it is smaller than the sum of its proper divisors (443807860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389364620 is a wasteful number, since it uses less digits than its factorization.

389364620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 389364620 is about 19732.3242422174. The cubic root of 389364620 is about 730.2173744346.

The spelling of 389364620 in words is "three hundred eighty-nine million, three hundred sixty-four thousand, six hundred twenty".